Patent · US Active

Alarm with CO and smoke sensors

US7642924B2 · kind B2 · utility

34Cited by

51References

20Claims

0Family size

Assignee

WALTER KIDDE PORTABLE EQUIPMENT, INC. · US

Inventors

John Andres · Chapel Hill, US
Stanley D. Burnette · Colorado Springs, US
David A. Bush · Renton, US

Key dates

Filing date	Mar 2, 2007
Grant date	Jan 5, 2010
Priority date	—
Expiry date	Jan 16, 2028

Classification

Technology area (CPC G)Physics
CPC primaryG08B29/183
WIPO fieldControl
WIPO sectorInstruments

Abstract

A life safety device includes a smoke sensor and a carbon monoxide (CO) sensor. Smoke sensitivity of the device is adaptively adjusted based upon the smoke sensor signal and the CO sensor signal.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.